package com.example.demo.mapper;

import com.example.demo.pojo.Category;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CategoryMapper {
    //新增分类
    @Insert("INSERT INTO big_event.category(category_name,category_alias,create_user,create_time,update_time)" +
            "values(#{categoryName},#{categoryAlias},#{createUser},#{createTime},#{updateTime})")
    void add(Category category);
    //查询所有分类
    @Select("select * from big_event.category where create_user=#{userId}")
    List<Category> list(Integer userId);

    //更新分类
    @Update("update big_event.category set category_name=#{categoryName},category_alias=#{categoryAlias}, update_time=#{updateTime} where id=#{id}")
    void update(Category category);

    //删除分类
    @Delete("delete from big_event.category where id=#{id}")
    void delete(Integer id);
}
